KEGG Orthology (KO) [BR:ko00001]
09100 Metabolism
09109 Metabolism of terpenoids and polyketides
00905 Brassinosteroid biosynthesis
K09588 CYP90A1, CPD; 3beta,22alpha-dihydroxysteroid 3-dehydrogenase
09180 Brite Hierarchies
09181 Protein families: metabolism
00199 Cytochrome P450
K09588 CYP90A1, CPD; 3beta,22alpha-dihydroxysteroid 3-dehydrogenase
Enzymes [BR:ko01000]
1. Oxidoreductases
1.14 Acting on paired donors, with incorporation or reduction of molecular oxygen
1.14.19 With oxidation of a pair of donors resulting in the reduction of O2 to two molecules of water
1.14.19.79 3beta,22alpha-dihydroxysteroid 3-dehydrogenase
K09588 CYP90A1, CPD; 3beta,22alpha-dihydroxysteroid 3-dehydrogenase
Cytochrome P450 [BR:ko00199]
Cytochrome P450, plant type
CYP90 family
K09588 CYP90A1, CPD; 3beta,22alpha-dihydroxysteroid 3-dehydrogenase
Oxidoreductases;
Acting on paired donors, with incorporation or reduction of molecular oxygen;
With oxidation of a pair of donors resulting in the reduction of O2 to two molecules of water
This cytochrome P-450 (heme-thiolate) enzyme, characterized from the plant Arabidopsis thaliana, catalyses C-3 dehydrogenation of all 3beta-hydroxy brassinosteroid synthesis intermediates with 22-hydroxylated or 22,23-dihydroxylated side chains.
Enzymatic reactions [BR:br08201]
1. Oxidoreductase reactions
1.14 Acting on paired donors, with incorporation or reduction of molecular oxygen
1.14.19 With oxidation of a pair of donors resulting in the reduction of O2 to two molecules of water
1.14.19.79
R07446 22alpha-Hydroxy-campesterol + [Reduced NADPH---hemoprotein reductase] + Oxygen <=> (22S)-22-Hydroxycampest-4-en-3-one + [Oxidized NADPH---hemoprotein reductase] + 2 H2O